Inventor · disambiguated record
Jean-Sylvain Comarmond
Also filed as: COMARMOND JEAN S · COMARMOND JEAN-SYLVAIN
15 granted patents·3 pending applications·137 citations·filing 1987–2019
91Inventor score
Top patents by PatentIndex Score
18 records- 0180US7413028B2Ramming device to be assigned to a rock breakerMONTABERT ROGER·Filed 2006·Granted Aug 19, 2008·10 cites·14 claims
- 0278US11383368B2Percussion apparatus provided with a centering deviceMONTABERT ROGER·Filed 2017·Granted Jul 12, 2022·2 cites·15 claims
- 0376US9981371B2Method for switching the striking stroke of a striking piston of a percussion deviceMONTABERT ROGER·Filed 2012·Granted May 29, 2018·8 cites·13 claims
- 0476US4800797AHydraulic percussion device and method of controlling sameMONTABERT ETS·Filed 1987·Granted Jan 31, 1989·33 cites·17 claims
- 0573US5669281AMethod and machine for altering the striking stroke of a percussive machine moved by a pressurized incompressible fluidMONTABERT ETS·Filed 1995·Granted Sep 23, 1997·35 cites·13 claims
- 0671US10676997B2Hydraulic drilling apparatus intended to drill boreholesMONTABERT ROGER·Filed 2015·Granted Jun 9, 2020·2 cites·16 claims
- 0765US5388842ADevice for holding the tool of a hydraulic rock breakerMONTABERT ETS·Filed 1993·Granted Feb 14, 1995·25 cites·8 claims
- 0860US7364168B2Device for assembling the casing and the body of a hydraulic rock-breakerMONTABERT ROGER·Filed 2004·Granted Apr 29, 2008·8 cites·12 claims
- 0954US11724379B2Rotary-percussive hydraulic perforator provided with a control chamber permanently connected to a low-pressure accumulatorMONTABERT ROGER·Filed 2019·Granted Aug 15, 2023·0 cites·20 claims
- 1052US6857482B2Percussive implement of the rock breaker typeMONTABERT ETS·Filed 2001·Granted Feb 22, 2005·7 cites·4 claims
- 1152US2020368890A1Method for setting the striking stroke of a striking piston of a percussion apparatus, and a percussion apparatus for implementing said methodMONTABERT ROGER·Filed 2019·Application pending·0 cites
- 1246US2016129575A1Method for controlling a percussion tool power supply parameterMONTABERT ROGER·Filed 2014·Application pending·0 cites
- 1345US10569404B2Percussion apparatusMONTABERT ROGER·Filed 2015·Granted Feb 25, 2020·0 cites·20 claims
- 1445US7434503B2Pressure regulating device for a percussive hydraulic apparatusMONTABERT ROGER·Filed 2004·Granted Oct 14, 2008·3 cites·9 claims
- 1545US7234548B2Hydraulic rotary-percussive hammer drillMONTABERT ETS·Filed 2003·Granted Jun 26, 2007·4 cites·14 claims
- 1642US8413741B2Hydraulic rotary percussive device of the drill typeCOMARMOND JEAN-SYLVAIN·Filed 2007·Granted Apr 9, 2013·0 cites·8 claims
- 1742US2016121472A1Method for controlling the impact energy of an impulse piston of a percussion toolMONTABERT ROGER·Filed 2014·Application pending·0 cites
- 1835US9194182B2Hydraulic rotary percussive device intended to drill boreholesCOMARMOND JEAN-SYLVAIN·Filed 2011·Granted Nov 24, 2015·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →